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24 June, 10:40

If 35.7 kPa of Bromine gas takes up 41.3 L, how much volume will the gas take up at 13.8 kPa

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  1. 24 June, 11:56
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    This follows Boyles law which relates pressure and volume. The law states that pressure is inversely proportional to volume at a constant temperature.

    PV = k

    where k is a constant.

    At two instances;

    P1V1 = P2V2

    where parameters for the 1st instance is on the left and parameters for the second instance is on the right.

    37.5 kPa x 41.3 L = 13.8 kPa x V2

    V2 = 37.5 x 41.3 / 13.8

    V2 = 112.23 L

    At the new pressure gas will take up a volume of 112.23 L
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